/* ============================================
   RECALL — Landing Page Stylesheet
   Design: Dark charcoal + amber, adult/professional
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #faf8f5;
  --bg-alt: #f0ede8;
  --fg: #1a1a2e;
  --fg-muted: #5c5c6e;
  --accent: #f5a623;
  --accent-dark: #d4870e;
  --accent-dim: rgba(245, 166, 35, 0.15);
  --navy: #0f0f1a;
  --surface: #ffffff;
  --border: #e0dbd4;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(26, 26, 46, 0.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.15; }

em { font-style: italic; color: var(--accent); }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 32px; height: 32px;
  background: var(--fg);
  color: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 18px;
}
.logo-text {
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 18px;
  color: var(--fg);
}

/* --- Section Shared --- */
section { padding: 80px 0; }
.section-tag {
  display: inline-block;
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-dim);
  padding: 5px 12px; border-radius: 20px;
  margin-bottom: 20px;
}

/* --- Hero --- */
.hero { padding-top: 140px; padding-bottom: 80px; }
.hero-grid {
  max-width: 1100px; margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--fg-muted);
  margin-bottom: 16px;
}

.hero-headline {
  font-size: clamp(36px, 5vw, 52px);
  color: var(--fg);
  margin-bottom: 20px;
}

.hero-lede {
  font-size: 18px; color: var(--fg-muted);
  max-width: 420px; margin-bottom: 32px;
  line-height: 1.6;
}

.curve-diagram {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 20px 16px;
  box-shadow: var(--shadow);
}

.curve-label-forget {
  font-size: 11px; color: var(--fg-muted);
  margin-bottom: 4px; text-align: right;
}

.curve-svg { width: 100%; height: auto; }
.curve-caption {
  font-size: 11px; color: var(--fg-muted);
  text-align: center; margin-top: 8px;
}

/* Session Preview Card */
.session-preview {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 8px 40px rgba(26, 26, 46, 0.25);
  color: #fff;
}

.session-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.session-icon { font-size: 18px; }
.session-mode {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  background: rgba(245, 166, 35, 0.15);
  padding: 4px 10px; border-radius: 20px;
}

.session-topic {
  font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 600;
  color: #fff; margin-bottom: 16px;
}

.session-prompt {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
}
.prompt-label { font-size: 11px; color: rgba(255,255,255,0.5); display: block; margin-bottom: 6px; }
.prompt-text { font-size: 13px; color: rgba(255,255,255,0.85); font-style: italic; line-height: 1.5; }

.response-label { font-size: 11px; color: rgba(255,255,255,0.5); margin-bottom: 10px; }

.gap-list { list-style: none; margin-bottom: 16px; }
.gap-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 8px;
}
.gap-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
}
.gap-dot.active { background: var(--accent); }

.session-cta {
  font-size: 13px; color: var(--accent);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 12px;
}

/* --- Problem Section --- */
.problem { background: var(--navy); color: #fff; }
.problem-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

.problem-headline {
  font-size: clamp(28px, 4vw, 42px);
  color: #fff; max-width: 600px; margin-bottom: 48px;
  line-height: 1.2;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.problem-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.problem-icon { font-size: 28px; margin-bottom: 16px; }
.problem-card h3 {
  font-size: 17px; color: #fff; margin-bottom: 10px;
}
.problem-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }

.problem-quote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  font-style: italic;
  max-width: 560px;
}

/* --- Solution Section --- */
.solution { background: var(--bg); }
.solution-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

.solution-headline {
  font-size: clamp(28px, 4vw, 42px);
  max-width: 560px; margin-bottom: 16px;
}
.solution-sub {
  font-size: 17px; color: var(--fg-muted);
  max-width: 500px; margin-bottom: 48px;
}

.solution-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 700px;
}

.comp-col { padding: 28px 32px; }
.comp-old { background: var(--bg-alt); }
.comp-recall { background: #fff; }

.comp-label {
  display: block; font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 20px;
}
.old-label { color: var(--fg-muted); }
.recall-label { color: var(--accent); }

.comp-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--fg-muted);
  margin-bottom: 14px;
}
.comp-item.highlight { color: var(--fg); font-weight: 500; }
.comp-x { color: #ccc; font-size: 16px; }
.comp-check { color: var(--accent); font-size: 16px; }

/* --- How It Works --- */
.how { background: var(--bg-alt); }
.how-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

.how-headline {
  font-size: clamp(28px, 4vw, 42px);
  max-width: 500px; margin-bottom: 56px;
}

.how-steps { display: flex; flex-direction: column; gap: 0; }

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.how-step:last-child { border-bottom: none; }

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 40px; font-weight: 800;
  color: var(--accent-dim);
  line-height: 1;
  padding-top: 4px;
}

.step-body h3 {
  font-size: 20px; margin-bottom: 10px;
}
.step-body p { font-size: 15px; color: var(--fg-muted); line-height: 1.65; }

/* --- Manifesto --- */
.manifesto {
  background: var(--navy);
  padding: 100px 0;
}
.manifesto-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.manifesto-line {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 34px);
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}
.manifesto-line.accent { color: var(--accent); }

.manifesto-detail {
  font-size: 15px; color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 16px;
}
.manifesto-detail:last-child { margin-bottom: 0; }

/* --- Closer --- */
.closer {
  background: var(--bg);
  padding: 100px 0;
  text-align: center;
}
.closer-inner { max-width: 800px; margin: 0 auto; padding: 0 40px; }

.closer-headline {
  font-size: clamp(28px, 4.5vw, 48px);
  line-height: 1.2; margin-bottom: 20px;
}
.closer-sub {
  font-size: 18px; color: var(--fg-muted);
  margin-bottom: 40px;
}

.closer-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center;
}
.tag {
  font-size: 13px; color: var(--fg-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 7px 16px; border-radius: 20px;
}

/* --- Footer --- */
.footer {
  background: var(--navy);
  padding: 48px 0;
  text-align: center;
}
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 40px; }
.footer-logo {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-text { color: #fff; }
.footer-tagline {
  font-size: 14px; color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}
.footer-copy {
  font-size: 12px; color: rgba(255,255,255,0.3);
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }

  .hero { padding-top: 100px; padding-bottom: 60px; }
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 0 20px;
    gap: 40px;
  }
  .hero-aside { order: -1; }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .solution-comparison {
    grid-template-columns: 1fr;
  }

  .how-step {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }

  .manifesto-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  section { padding: 60px 0; }

  .problem-inner,
  .solution-inner,
  .how-inner,
  .manifesto-inner,
  .closer-inner { padding: 0 20px; }
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content { animation: fadeUp 0.6s ease-out both; }
.hero-aside { animation: fadeUp 0.6s ease-out 0.2s both; }